Perhaps you should try some spelling variations:
tranh luan » trinh luan, trinh luat, doanh luan
hoc trieu » hoc thieu, hoc tieu, hoc dieu
luan nong » luan nang, luan cong, luan dong
nong cong » cong cong, tong cong, nang cong
van tuan » van quan, van ban, anh tuan
van than » van thanh, van thang, van phan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc trieu tinh - canh tranh luan nong cong ((van tuan) or (van than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc trieu tinh - canh tranh luan nong cong ((van tuan) OR (van than)) cau*.